Primary Meanings of assume. 1  v take to be the case or to be true; accept without verification or proof. 2  v take on a certain form, attribute, or aspect. 3  v occupy or take on. 4  v take on titles, offices, duties, or responsibilities. 5  v seize and take control without authority and possibly with force; take as one's right or possession.
You can tell a female from a male by its dorsal, and fins. The male is larger, alot more colorful and has long fins, the female on the other hand, has shorter fins, are smalle â¦ r, and not as colorful.Remember, both male and female ARE fighting fish, so they will have the same temper.imple observati â¦ on is the only way to tell. Bettas are just like all other fish. If they are given proper conditions they should be OK. Proper conditions for a Betta are :- 1 inch of fish needs a minimum of 1 gallon of water.
Depending on where you buy your bettas you can often find out exactly how old your fish is. Breeders will certainly know the age of their bettas and smaller Ma & Pa fish stores may also know. If you buy yours from a large chain store you are often buying a fish that is already between 6 months to one year old.efore that time approaches you may notice your betta illustrating signs of aging, many of which can be observed in humans. Here is a male betta at one year showing vivid colors and iridescents. The average life span of bettas varies from 2 to 5 years.